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S1T8515A の電気的特性と機能

S1T8515AのメーカーはSamsung semiconductorです、この部品の機能は「FM IF RECEIVER FOR FLEX PAGER」です。


製品の詳細 ( Datasheet PDF )

部品番号 S1T8515A
部品説明 FM IF RECEIVER FOR FLEX PAGER
メーカ Samsung semiconductor
ロゴ Samsung semiconductor ロゴ 




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S1T8515A Datasheet, S1T8515A PDF,ピン配置, 機能
FM IF RECEIVER FOR FLEX PAGER
INTRODUCTION
The S1T8515A is a designed for FM detection on the FLEX pager set.
It consists of an Oscillator, Mixer, Limiting IF Amp. Quadrature
Detector, Regulator, RSSI (Received Signal Strength Indicator), Bit
Rate Filter, and a 2-level / 4-level FSK comparator.
It has a 24-SSOP (0.65mm)Surface Mount Package.
24SSOPBD209
FEATURES
• Internal A/D converter for 4 level FSK (2-bit ADC)
• High transmission rate: 6400bps (Max.)
• Operating voltage range: VCC1 = 1.1 ~ 4.0V
• Typical supply current: 1.5mA at 1.4V
• Low battery detection circuit (alarm function): 1.05V
• Mixer operating frequency: 10 ~ 50MHz
• Package type: 24-SSOP (0.65mm)
ORDERING INFORMATION
Device
S1T8515A01-U0B0
Package
24SSOPBD209
Operating Temperature
20°C ~ +70°C
S1T8515A
1

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S1T8515A pdf, ピン配列
FM IF RECEIVER FOR FLEX PAGER
S1T8515A
PIN DESCRIPTION
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15, 16
17
18
19
20
21
22
23
24
Symbol
OSCI
OSCO
MO
VCC
LI
LD
FSKR1
QD
C1
C2
C3
FIL VAR
RSSI
FSKR2
QC2, QC1
BSC
FSKO2
FSKO1
AO
REGC
REGO
GND
MI
Description
Oscillator input (Base). The oscillator is an internally biased colpitts type.
Oscillator output (Emitter).
Mixer output (Output impedance 1.5k) Connect a 455kHz filter between this pin
and the LI.
Power supply voltage.
IF limiter amplifier input (Input impedance 1.5k).
Bypass capacitor connect pin for the IF limiter amp.
Differential Amp Reference input on the FSK comparator.
Quadrature detection, phase shiftier input.
Capacitors for bit-rate filter.
Bit-rate filter selection.
High: Internal cut-off frequency will be set to Low.
Low: Internal cut- off frequency will be set to High.
RSSI output.
The power of received RF signal can be detected by monitoring the limiter amplifier.
Differential Amp Reference input on the FSK comparator for 4-Level FSK Detection.
Quick charge control 2 & 1.
High: Quick charge-discharge on. Low: Quick charge-discharge off.
Battery saving control.
High: Battery saving off-normal mode operation.
Low: Battery saving on-battery save mode operation.
The output signal from the Bit-rate filter is compared with FSK Reference signal, and
the final output signal will be output to the LSB after 4-Level FSK detection.
The final output signal will be output to the MSB after 4-Level FSK detection.
Alarm output.
This pin becomes high, when VCC drops below 1.05V.
S1T8515A has an internal PNP transistor.
But, it also can support an external PNP transistor to control the power.
Regulated voltage output.
Ground.
Mixer input (Input impedance 1.5k).
3


3Pages


S1T8515A 電子部品, 半導体
S1T8515A
NOTES
FM IF RECEIVER FOR FLEX PAGER
6

6 Page



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共有リンク

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部品番号部品説明メーカ
S1T8515A

FM IF RECEIVER FOR FLEX PAGER

Samsung semiconductor
Samsung semiconductor
S1T8515A

FM IF RECEIVER FOR FLEX PAGER

Samsung semiconductor
Samsung semiconductor
S1T8515A01

FM IF RECEIVER FOR FLEX PAGER

Samsung semiconductor
Samsung semiconductor
S1T8515A01-U0B0

FM IF RECEIVER FOR FLEX PAGER

Samsung semiconductor
Samsung semiconductor


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